<html>
<head>
  <script type="text/javascript">
window.onload = function() {
    var ctx = document.getElementById("c1").getContext("2d");
    
    ctx.mozCurrentTransform = [ 10, 0, 0, 1, 0, 0 ];
    ctx.fillRect(1, 1, 10, 10);

    ctx.mozCurrentTransformInverse = [ 1, 0, 0, .1, 0, 0 ];
    ctx.fillRect(150, 1, 10, 10);
}
  </script>
</head>
<body style="padding: 0px; margin: 0px;">
  <div><canvas id="c1" width="300" height="300"></canvas></div>
</body>
</html>
